Home / 152,780.08-229,140.48-76,858.40

Finding the Fourth Proportional to 152,780.08, 229,140.48 and 76,858.40

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Solution

The fourth proportional to 152,780.08, 229,140.48 and 76,858.40 is: 115,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,780.08 : 229,140.48 = 76,858.40 : x
  2. Step 2: Convert to fraction form
    152,780.08/229,140.48 = 76,858.40/x
  3. Step 3: Cross multiply
    152,780.08x = 229,140.48 × 76,858.40
  4. Step 4: Simplify right side
    152,780.08x = 17,611,370,668.03
  5. Step 5: Solve for x
    x = 17,611,370,668.03/152,780.08
  6. Step 6: Final answer
    x = 115,272.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.